US Bridges

27579 408 Ave. over Ck

Fair

Hutchinson County, South Dakota · 2 W & 0.1 N Parkston · Structure no. 000000034040079

Built
1939
86 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

27579 408 Ave. over Ck is a concrete continuous slab carrying 27579 408 Ave. over Ck in Hutchinson County, South Dakota. It was built in 1939, so it is 86 years old, older than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 150 vehicles a day, roughly 2% of them trucks, projected to reach 150 by 2032. The structure is 36 ft (11 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries27579 408 Ave.
CrossesCk
Location2 W & 0.1 N Parkston
RouteCounty Highway 0
Coordinates43.38571, -98.03447
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span16 ft (4.9 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic150 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 27579 408 Ave. over Ck built?

It was built in 1939, making it 86 years old in 2025.

What condition is 27579 408 Ave. over Ck in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does 27579 408 Ave. over Ck carry?

About 150 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 27579 408 Ave. over Ck?

The structure is 36 ft (11 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.

Who owns 27579 408 Ave. over Ck?

It is owned by the County Highway Agency.